1318822354 has 4 divisors (see below), whose sum is σ = 1978233534. Its totient is φ = 659411176.

The previous prime is 1318822331. The next prime is 1318822363. The reversal of 1318822354 is 4532288131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1233906129 + 84916225 = 35127^2 + 9215^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329705587 + ... + 329705590.

Almost surely, 2^1318822354 is an apocalyptic number.

1318822354 is a deficient number, since it is larger than the sum of its proper divisors (659411180).

1318822354 is an equidigital number, since it uses as much as digits as its factorization.

1318822354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659411179.

The product of its digits is 46080, while the sum is 37.

The square root of 1318822354 is about 36315.5938131266. The cubic root of 1318822354 is about 1096.6349931982.

The spelling of 1318822354 in words is "one billion, three hundred eighteen million, eight hundred twenty-two thousand, three hundred fifty-four".